Surgical instrument

  • US 9,974,529 B2
  • Filed: 05/04/2015
  • Issued: 05/22/2018
  • Est. Priority Date: 03/14/2011
  • Status: Active Grant
First Claim
Patent Images

1. A surgical instrument, comprising:

  • an actuation system;

    a drive system coupled to the actuation system, wherein the drive system comprises;

    a rotatable shaft which defines a longitudinal axis; and

    an outer casing surrounding the rotatable shaft; and

    a tool head coupled to the drive system, wherein the tool head comprises;

    an annular cartridge comprising a plurality of staples; and

    a pliable bunchable ring surrounding the annular cartridge, wherein the surgical instrument is configured to drive the staples through the pliable bunchable ring in a direction which is transverse to the longitudinal axis, and wherein the outer casing is configured to deform the staples driven through the pliable bunchable ring.

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